On Monday, June 25, 2012 9:19:53 PM UTC+8, Boris Zbarsky wrote: > On 6/25/12 5:43 AM, 李玉北 wrote: > > according to this is test<http://jsperf.com/with-statement>, why there are > > so huge impact on the js performance. > > Because "with" means you can't really do things like > http://en.wikipedia.org/wiki/Inline_caching and similar techniques. > > -Boris
i see, thanks a lot ;-) _______________________________________________ dev-tech-js-engine-internals mailing list [email protected] https://lists.mozilla.org/listinfo/dev-tech-js-engine-internals
